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Best Fallout 4 Script Extender (F4SE) Alternatives in 2026

Updated

20 apps from game mod loaders ranked against Fallout 4 Script Extender (F4SE) on the same published basis.

  1. 1
    MelonLoader Free plan AndroidLinuxMacWin Free6.6
    Fallout 4 Script Extender (F4SE) vs MelonLoader
  2. 2
    SMAPI Free plan AndroidLinuxMacWin Free6.6
    Fallout 4 Script Extender (F4SE) vs SMAPI
  3. 3
    BepInEx Free plan LinuxMacWin Free6.5
    Fallout 4 Script Extender (F4SE) vs BepInEx
  4. 4
    ModTek Free plan LinuxMacWin Free6.5
    Fallout 4 Script Extender (F4SE) vs ModTek
  5. 5
    MWSE Free plan LinuxWin Free6.5
    Fallout 4 Script Extender (F4SE) vs MWSE
  6. 6
    Satisfactory Mod Loader Free plan LinuxWin Free6.5
    Fallout 4 Script Extender (F4SE) vs Satisfactory Mod Loader
  7. 7
    Cyber Engine Tweaks Free plan LinuxWin Free6.4
    Fallout 4 Script Extender (F4SE) vs Cyber Engine Tweaks
  8. 9
    Hell2Modding Free plan MacWin Free6.4
    Fallout 4 Script Extender (F4SE) vs Hell2Modding
  9. 10
    RED4ext Free plan Win Free6.4
    Fallout 4 Script Extender (F4SE) vs RED4ext
  10. 11
    Ultimate ASI Loader Free plan Win Free6.4
    Fallout 4 Script Extender (F4SE) vs Ultimate ASI Loader
  11. 12
    Venice Unleashed Free plan LinuxWin Free6.4
    Fallout 4 Script Extender (F4SE) vs Venice Unleashed
  12. 13
    Everest apiLinuxMacWin 5.6
    Fallout 4 Script Extender (F4SE) vs Everest
  13. 14
    Northstar LinuxWin 5.5
    Fallout 4 Script Extender (F4SE) vs Northstar
  14. 15
    xNVSE Win 5.4
    Fallout 4 Script Extender (F4SE) vs xNVSE
  15. 16
    Hollow Knight Modding API WinMacLinux 5.3
    Fallout 4 Script Extender (F4SE) vs Hollow Knight Modding API
  16. 17
    UE4SS Win 5.3
    Fallout 4 Script Extender (F4SE) vs UE4SS
  17. 18
    Baldur's Gate 3 Script Extender Free plan LinuxWin Free5.2
    Fallout 4 Script Extender (F4SE) vs Baldur's Gate 3 Script Extender
  18. 19
    CLEO WiniOS 5.2
    Fallout 4 Script Extender (F4SE) vs CLEO
  19. 20
    ScriptHookVDotNet Free plan Win Free5.2
    Fallout 4 Script Extender (F4SE) vs ScriptHookVDotNet
  20. 21
    Starfield Script Extender Free plan Win Free5.2
    Fallout 4 Script Extender (F4SE) vs Starfield Script Extender

Fallout 4 Script Extender (F4SE) alternatives compared

#AppScoreFree planFromRuns on
1MelonLoader6.6Free planFreeAndroid, Linux, Mac, Windows
2SMAPI6.6Free planFreeAndroid, Linux, Mac, Windows
3BepInEx6.5Free planFreeLinux, Mac, Windows
4ModTek6.5Free planFreeLinux, Mac, Windows
5MWSE6.5Free planFreeLinux, Windows
6Satisfactory Mod Loader6.5Free planFreeLinux, Windows
7Cyber Engine Tweaks6.4Free planFreeLinux, Windows
9Hell2Modding6.4Free planFreeMac, Windows
10RED4ext6.4Free planFreeWindows
11Ultimate ASI Loader6.4Free planFreeWindows
12Venice Unleashed6.4Free planFreeLinux, Windows
13Everest5.6No—API, Linux, Mac, Windows
14Northstar5.5No—Linux, Windows
15xNVSE5.4No—Windows
16Hollow Knight Modding API5.3No—Windows, Mac, Linux
17UE4SS5.3No—Windows
18Baldur's Gate 3 Script Extender5.2Free planFreeLinux, Windows
19CLEO5.2No—Windows, iOS
20ScriptHookVDotNet5.2Free planFreeWindows
21Starfield Script Extender5.2Free planFreeWindows
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Questions about Fallout 4 Script Extender (F4SE) alternatives

What is the best alternative to Fallout 4 Script Extender (F4SE)?

MelonLoader, number 1 in game mod loaders with a score of 6.6 out of 10. The others here: SMAPI, BepInEx, ModTek and 16 more.

What is the best free alternative to Fallout 4 Script Extender (F4SE)?

MelonLoader is the best-ranked alternative with a free plan. 14 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.